Jae-Seung Kim, Ph.D.

 

Google Scholar: https://scholar.google.com/citations?user=zSK2IJMAAAAJ&hl=ko

ORICD: 0000-0003-3052-6444

LinkedIn: https://www.linkedin.com/in/jae-seung-kim-274784266/

E-mail: jseung@snu.ac.kr, kjs2926@gmail.com                                             

 

Education

- Ph.D., Department of Materials Science and Engineering (Mar 2024 ~ Feb 2026, advisor: Prof. Dong-Hwa Seo)

- M.S., School of Energy and Chemical Engineering, Battery Science and Technology (Mar 2021 ~ Feb 2024, advisor: Prof. Dong-Hwa Seo)

- B.S., School of Energy and Chemical Engineering, Chemical Engineering (Mar 2017 ~ Feb 2021)


Research interests

-        Synthesis and characterization of solid electrolytes

-        First principles calculation for analyzing thermodynamic and dynamic properties of materials

-        Electrochemical analysis of all-solid-state cells


Research experience

 

Publications (First author)   († = equal contribution, * = corresponding author)

Solid Electrolytes for All-Solid-State Batteries

[1] Jae-Seung Kim,† D. Han,† J.-Y. Choi, Y. Kim, H.-Y. Kim, S. Lee, J. Seo, S.-H. Ham, Y.-Y. Song, C.-D. Lee, J. Lee, H. Kwak, Y.-S. Jung*, S.-K. Jung,* K.-W. Nam*, D.-H. Seo* “Divalent Anion-Driven Framework Regulation in Zr-Based Halide Solid Electrolytes for All-Solid-State Batteries” Nature Communications, 16, 10678 (2025)

[2] Jae-Seung Kim,† H. Park,† H.-Y. Kim,† E. Lee,* H. Kim, S. Lee, J. Choe, J. Seo, H. Kim, Y.-S. Jung,* K.-W. Nam,* D.-H. Seo* “Universal Oxychlorination Strategy in Halide Solid Electrolytes for All-Solid-State Batteries” Advanced Energy Materials, online published (2026)

[3] J. P. Son,† J. Park,† H.-Y. Kim,† Jae-Seung Kim,† Y. B. Song, C. Kim, D. Kim, J. S. Kim, S. Ko, D. Ahn, G. Kwon, D.-H. Seo,* K.-W. Nam,* Y. S. Jung* “Five-volt-class high-capacity all-solid-state lithium batteries” Nature Energy, 10, 1334 (2025)

[4] H. Kwak, † Jae-Seung Kim, † D. Han,† J. S. Kim, J. H. Park, G. Kwon, S.-M. Bak, U. Heo, C. Park, H.-W. Lee, K.-W. Nam,* D.-H. Seo,* Y. S. Jung* "Boosting the interfacial superionic conductivity of halide solid electrolytes for all-solid-state batteries." Nature Communications, 14, 2459 (2023)

[5] B. J. Park,† Jae-Seung Kim,† Y. Kim, J. Choe, C. Park, H. -J. Kim, K. H. Shin, J. Lee, J. Choi, J. Kim, H.-W. Lee, Y.-J. Ko, J. Lee*, Dong-Hwa Seo*, S.-K. Jung* “Ionic Transport Enhancement from Schottky Defects Formation in NaTaCl6 Halide Solid Electrolytes” ACS Energy Letters, 10, 4242 (2025)

[6] J. Park,† J. P. Son,† H.-Y. Kim,† Jae-Seung Kim,† C. Kim, J. Jeon, J.-R. Lee, J. Seo, D.-H. Seo,* K.-W. Nam,* Y. S. Jung* “Li1+xTaOxF6-x oxyfluoride solid electrolytes with amorphization-driven enhancement of ion conduction channels for 5 V all-solid-state batteries” Journal of the American Chemical Society, 148(3), 3006 (2026)

[7] Y. Kim,† Jae-Seung Kim,† K. H. Shin, J. Choi, B. J. Park, J. Choe, J. Seo, C. Park, J. Lee, D.-H. Seo*, and S.-K. Jung* “Oxygen-driven structural reorganization by trace water enabling fast Li transport in a pliable solid electrolyte” Advanced Energy Materials, online published (2026)

[8] C. Kim,† Jae-Seung Kim,† J. Park, J. P. Son, S. Hong, H. Kim, D.-H. Seo,* Y. S. Jung* “Vacancy-Induced Li+ Conduction of Li3–xAl1–xTixF6 Fluoride Solid Electrolyte for 5 V All-Solid-State Batteries” Energy Storage Materials, 86, 104938 (2026)

[9] Y. Choi,† H. Kwak,† Jae-Seung Kim,† D. Han,† J. S.k Kim, J. Park, K.-W. Nam,* Dong-Hwa Seo,* Y. S. Jung* “Mechanism of Contrasting Ionic Conductivities in Li2ZrCl6 via I and Br Substitution” Small, 21(41), e05926 (2025) (2025)

[10] Jae-Seung Kim,† J. Choe,† H.-Y. Kim,† J. Seo, S. Lee, H. Park, H. Kim, Y.-S. Jung, H. Kim, S. -K. Jung*, K.-W. Nam*, and D.-H. Seo*, In preparation

[11] Jae-Seung Kim,† J. Choe,† J. Seo,† H. Kim, H. Park, H. Kim, Dong-Hwa Seo*, In preparation

Organic Molecular Engineering for LIBs & LMBs

[12] S. H. Han,† J. Kim,† Jae-Seung Kim,† G. Lee,† C. Song, J. Lee, M.-H. Kim, A. A. Yu, H.-T. Kim, Dong-Hwa Seo, N.-S. Choi* “Unveiling Bidentate Nitrile-Driven Structural Degradation in High-Nickel Cathodes” ACS Energy Letters, 10, 6178 (2025)

[13] Z. Li†, Jae-Seung Kim,† H. Moon†, S. Park, K.-S. Oh, Y. Hou, K. Ryu, X. Liu, J.-B. Baek, Dong-Hwa Seo,* S.-Y. Lee* “Ion channel-gated covalent organic framework membrane for sustainable lithium-sulfur batteries”, National Science Review, 12, nwaf193 (2025)

[14] K.-S. Oh,† S. Park,† Jae-Seung Kim,† Y. Yao, J.-H. Kim, J. Guo*, Dong-Hwa Seo,* S.-Y. Lee* "Electrostatic Covalent Organic Frameworks as On-Demand Molecular Traps for High-Energy Li Metal Battery Electrodes" ACS Energy Letters, 8, 2463 (2023)

[15] K.-S. Oh,† Jae-Seung Kim,† H.-H. Kwon, S. Kim, S. Lee, Y.-K. Hong, S. Y. Kim, S. Lee, U. Shin, K. Jeong, T. J. Shin, T. Yim, Z. Li*, Y. J. Lee*, D.-H. Seo*, and S.-Y. Lee*, In preparation

 

Publications (Contributing author)   († = equal contribution, * = corresponding author)

[1] J. S. Kim, S. Bong, Jae-Seung Kim, J. P. Son, J. Park, Dong-Hwa Seo, Y. S. Jung* “Thermal Runaway in Sulfide-Based All-Solid-State Batteries: Risk Landscape, Diagnostic Gaps, and Strategic Directions” Advanced Energy Materials, e03593 (2025)

[2] K. T. Kim, Jae-Seung Kim, K. H. Baeck, J. S. Kim, J. Park, S. Bong, Y. J. Park, Y. B. Song, C. Park, H.-W. Lee, K. Lee, J. Song, S. Lee, D.-H. Seo, Y. S. Jung* “Surface Fluorination Shielding of Sulfide Solid Electrolytes for Enhanced Electrochemical Stability in All-Solid-State Batteries” Advanced Materials, 2416816 (2025)

[3] J. P. Son, Jae-Seung Kim, C.-G. Lee, J. Park, J. S. Kim, S.-H. Kim, B. Gault, Dong-Hwa Seo, Y. S. Jung* “Dual-Function ZnO-Li3TaO4 Surface Modification of Single-Crystalline Ni-Rich Cathodes for All-Solid-State Batteries”, ACS Energy Letters, 9, 5403 (2024)

[4] C. Kim, J. Park, H. Kwak, Jae-Seung Kim, S. Jun, Dong-Hwa Seo, Y. S. Jung* “KTaCl6: High-Voltage Stable Potassium-Ion Conducting Chloride Solid Electrolyte”, Energy Storage Materials, 71, 103618 (2024)

[5] H. Kwak, J. S. Kim, D. Han, Jae-Seung Kim, J. Park, C. Kim, Dong-Hwa Seo, K.-W. Nam, Y. S. Jung* “Tuning the Properties of Halide Nanocomposite Solid Electrolytes with Diverse Oxides for All-Solid-State Batteries”, ACS Applied Materials and Interfaces, 16, 49328 (2024)

[6] S. Lee,† Y. Kim,† C. Park, J. Kim, Jae-Seung Kim, H. Jo, C. Lee, S. Choi, Dong-Hwa Seo, and S.-K. Jung* "Interplay of Cathode-Halide Solid Electrolyte in Enhancing Thermal Stability of Charged Cathode Material in All-Solid-State Batteries" ACS Energy Letters, 9, 1369 (2024)

[7] B. Boro, N. Kim, Jae-Seung Kim, R. Paul, Y. Nailwal, Y. Choi, Dong-Hwa Seo, J. Mondal*, J. Ryu* "Photocatalytic H2O2 Production from Water and Air Using Porous Organic Polymers" Journal of Colloid Interface Science, 652, 1784 (2023)

[8] J. Park, J. Son, W. Ko, Jae-Seung Kim, Y. Choi, H. Kwak, Dong-Hwa Seo, J. Kim, Y. S. Jung*, "NaAlCl4: New Halide Solid Electrolyte for 3 V Stable Cost-Effective All-Solid-State Na-Ion Batteries", ACS Energy Letters, 7, 3293 (2022)

 

Patents

[1] Y. S. Jung, H. Kwak, D.-H. Seo, Jae-Seung Kim, "lithium halide-based nanocomposite, manufacturing method thereof, solid electrolyte comprising the same, and all-solid-state battery comprising the solid electrolyte", KR patent (10-2023-0079265, 2023-06-20 filed), US patent (18/337,629, 2023-06-20 filed), CN patent (202310736627, 2023-06-20 filed)

 

Funding

[1] Sejong Science Fellowship, National Research Foundation of Korea  (PI, 2026.03–2031.02; 130 million KRW/year)


Awards

[1] Best Poster Award, Global Conference on Innovation Materials (GCIM), 2023

[2] Excellence in Poster Award, Motivate Award, and Innovate Award, Samsung Global Technology Symposium, Samsung, 2023

[3] Best Poster Award, ACS Nano Summit, American Chemical Society (ACS), 2024

[4] Best Paper (Poster) Award, Korean Society of Industrial and Engineering Chemistry (KSIEC) Fall Meeting, 2025

[5] Best Poster Award, Korean Electrochemical Society (KECS) Fall Meeting, 2025

[6] Outstanding Paper Award, Department of Materials Science and Engineering (DMSE), KAIST, 2026